Classification of stand up pouches doypack bags

Stand up pouches doypack bags are basically divided into the following five types:

First: Ordinary stand up pouch doypack bag

That is, the stand up bag in general form, which adopts the form of four edge sealing, and cannot be re closed and re-opened. This stand up pouch doypack bag is generally used in the industrial supplies industry.

Second: Spout stand up pouch spout doypack bag

The spout stand up pouch doypack bag is more convenient for dumping or absorbing contents, and can be re closed and re-opened, which can be considered as the combination of stand up pouch bag and ordinary bottle mouth. The stand up pouch bag is generally used in the packaging of daily necessities, and is used to contain liquid, colloid and semi-solid products such as beverages, shower gel, shampoo, tomato sauce, edible oil, jelly, etc.

Third: Stand up pouch with zipper

The stand up bag with zipper can also be re closed and re-opened. Because the zipper is not closed and the sealing strength is limited, this form is not suitable for packaging liquids and volatile substances.

Fourth: Mouth-shaped stand up pouch bag

Mouth-shaped stand up pouch bag combines the convenience of stand up pouch bag with suction nozzle and the cheapness of ordinary self-supporting bag. Namely, the function of the suction nozzle is realized through the shape of the bag itself.

However, mouth-shaped stand up pouch bag cannot be sealed and opened repeatedly. Therefore, they are generally used for the packaging of liquid, colloid and semi-solid products for one-time use, such as beverages and jellies.

Fifth: Special shaped stand up pouch doypack bag

According to the needs of packaging, new stand up pouches bags of various shapes are produced by changing the traditional bag type, such as waist retraction design, bottom deformation design, handle design, etc. It is the main direction of value-added development of stand up pouches bags.

With the social progress, the improvement of people’s aesthetic standards and the intensification of competition in various industries, the design and printing of self-supporting bags become more and more colorful, with more and more forms of expression.